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Duorpm,Tremonia

Dortmund, founded in 882 is a former Imperial Free City and is currently an independent city in the German North Rhine-Westphalia area. Centrally located in the state, it's widely considered to be the cultural, commercial and administrative centre of the East Ruhr area. With a population of just over six hundred thousand, it's part of the five million plus residents of the Ruhr, the largest urban area in Germany. As a hugely important industrial city in the heart of the Ruhr it was heavily bombed during WW2 holding the record for the largest bombing raid during the entire war with over 1100 bombers attacking in a single night.